Home / 1,929.42-2,886.84-1,511.46

Finding the Fourth Proportional to 1,929.42, 2,886.84 and 1,511.46

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Solution

The fourth proportional to 1,929.42, 2,886.84 and 1,511.46 is: 2,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.42 : 2,886.84 = 1,511.46 : x
  2. Step 2: Convert to fraction form
    1,929.42/2,886.84 = 1,511.46/x
  3. Step 3: Cross multiply
    1,929.42x = 2,886.84 × 1,511.46
  4. Step 4: Simplify right side
    1,929.42x = 4,363,343.19
  5. Step 5: Solve for x
    x = 4,363,343.19/1,929.42
  6. Step 6: Final answer
    x = 2,261.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.